1.   She was aware of a strange electrical current humming in the air between herself and Matthew Blake, and she realised that that current was causing curiosity.

2.   The high-frequency current causes molecules to vibrate, heating the tissue from within just as a microwave oven heats food.

3.   The rising air currents caused moist air to cool, resulting in clouds and rain.

4.   Weak steering currents will cause slow-moving storms to produce local flooding.